“SYNTHESIS OF RESIDUAL OIL FROM SPENT BLEACHING EARTH (SBE) INTO BIODIESEL USING MICROWAVE REACTOR”. Jurnal Teknologi Industri Pertanian 34, no. 2 (September 2, 2024): 185. Accessed December 24, 2025. https://journal.ipb.ac.id/jurnaltin/article/view/58600.